/* IRemotingAuthenticator.cs -- 
   Copyright (C) 2008  Casey Marshall.

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or (at
your option) any later version.

This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.  */


namespace SexpSharp.Remoting
{
    public sealed class AuthenticationException : System.Exception
    {
    }

    public interface IRemotingAuthenticator
    {
        string Name { get; }

        /// <summary>
        /// Sign the given message, returning the signature.
        /// </summary>
        byte[] Sign(byte[] message);

        /// <summary>
        /// Verify a message, or throw AuthenticationException if the
        /// signature cannot be verified.
        /// </summary>
        void Verify(byte[] message, byte[] sig);
    }
}